12255136 has 24 divisors (see below), whose sum is σ = 25177824. Its totient is φ = 5860800.

The previous prime is 12255121. The next prime is 12255143. The reversal of 12255136 is 63155221.

It is a self number, because there is not a number n which added to its sum of digits gives 12255136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7590 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (1049076).

Almost surely, 2^12255136 is an apocalyptic number.

12255136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12255136 is an abundant number, since it is smaller than the sum of its proper divisors (12922688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12255136 is a wasteful number, since it uses less digits than its factorization.

12255136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16684 (or 16676 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 12255136 is about 3500.7336373966. The cubic root of 12255136 is about 230.5540267013.

The spelling of 12255136 in words is "twelve million, two hundred fifty-five thousand, one hundred thirty-six".